A population consists of the four numbers (2, 3, 6, 9). Consider all possible samples of size 2 that can be drawn with replacement from this population. Find The following: a. The mean of the...

A population consists of the four numbers (2, 3, 6, 9). Consider all possible
samples of size 2 that can be drawn with replacement from this population. Find The
following:
a. The mean of the population
b. The standard deviation of the population
c. The mean of the sampling distribution of means
d. The standard deviation of the sampling distribution of means